+ return M_BMPDATA->m_pixbuf != NULL;
+}
+
+void wxBitmap::SetPixbuf(GdkPixbuf* pixbuf)
+{
+ UnRef();
+
+ if (!pixbuf)
+ return;
+
+ int depth = -1;
+ if (gdk_pixbuf_get_has_alpha(pixbuf))
+ depth = 32;
+ m_refData = new wxBitmapRefData(
+ gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf), depth);
+
+ M_BMPDATA->m_pixbuf = pixbuf;
+}
+
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
+{
+ if (keep == Pixmap && HasPixbuf())
+ {
+ g_object_unref (M_BMPDATA->m_pixbuf);
+ M_BMPDATA->m_pixbuf = NULL;
+ }
+ if (keep == Pixbuf && HasPixmap())
+ {
+ g_object_unref (M_BMPDATA->m_pixmap);
+ M_BMPDATA->m_pixmap = NULL;
+ }
+}
+
+#ifdef wxHAS_RAW_BITMAP
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
+{
+ void* bits = NULL;
+ GdkPixbuf *pixbuf = GetPixbuf();
+ const bool hasAlpha = HasAlpha();
+
+ // allow access if bpp is valid and matches existence of alpha
+ if ( pixbuf && ((bpp == 24 && !hasAlpha) || (bpp == 32 && hasAlpha)) )
+ {
+ data.m_height = gdk_pixbuf_get_height( pixbuf );
+ data.m_width = gdk_pixbuf_get_width( pixbuf );
+ data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
+ bits = gdk_pixbuf_get_pixels(pixbuf);
+ }
+ return bits;
+}
+
+void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
+{
+}
+#endif // wxHAS_RAW_BITMAP
+
+bool wxBitmap::HasAlpha() const
+{
+ const wxBitmapRefData* bmpData = M_BMPDATA;
+ return bmpData && (bmpData->m_alphaRequested ||
+ (bmpData->m_pixbuf && gdk_pixbuf_get_has_alpha(bmpData->m_pixbuf)));
+}
+
+wxGDIRefData* wxBitmap::CreateGDIRefData() const
+{
+ return new wxBitmapRefData(0, 0, 0);
+}
+
+wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
+{
+ const wxBitmapRefData* oldRef = static_cast<const wxBitmapRefData*>(data);
+ wxBitmapRefData * const newRef = new wxBitmapRefData(oldRef->m_width,
+ oldRef->m_height,
+ oldRef->m_bpp);
+ if (oldRef->m_pixmap != NULL)
+ {
+ newRef->m_pixmap = gdk_pixmap_new(
+ oldRef->m_pixmap, oldRef->m_width, oldRef->m_height,
+ // use pixmap depth, m_bpp may not match
+ gdk_drawable_get_depth(oldRef->m_pixmap));
+ wxGtkObject<GdkGC> gc(gdk_gc_new(newRef->m_pixmap));
+ gdk_draw_drawable(
+ newRef->m_pixmap, gc, oldRef->m_pixmap, 0, 0, 0, 0, -1, -1);
+ }
+ if (oldRef->m_pixbuf != NULL)
+ {
+ newRef->m_pixbuf = gdk_pixbuf_copy(oldRef->m_pixbuf);
+ }
+ if (oldRef->m_mask != NULL)
+ {
+ newRef->m_mask = new wxMask(*oldRef->m_mask);
+ }
+
+ return newRef;
+}
+
+/* static */ void wxBitmap::InitStandardHandlers()
+{
+ // TODO: Insert handler based on GdkPixbufs handler later